Home / 2,280,469.92-3,421,237.20-661,272.72

Finding the Fourth Proportional to 2,280,469.92, 3,421,237.20 and 661,272.72

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Solution

The fourth proportional to 2,280,469.92, 3,421,237.20 and 661,272.72 is: 992,063.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,280,469.92 : 3,421,237.20 = 661,272.72 : x
  2. Step 2: Convert to fraction form
    2,280,469.92/3,421,237.20 = 661,272.72/x
  3. Step 3: Cross multiply
    2,280,469.92x = 3,421,237.20 × 661,272.72
  4. Step 4: Simplify right side
    2,280,469.92x = 2,262,370,829,009.18
  5. Step 5: Solve for x
    x = 2,262,370,829,009.18/2,280,469.92
  6. Step 6: Final answer
    x = 992,063.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.